Objective To study the clinical application value of double contrast barium enema (DCBE) in the diagnosis and differentiation of ucerative colitis (UC) and to analyze the aetiology.

• 目的 探讨结肠双对比造影 (DCBE)对溃疡性结肠炎的诊断价值 ,并对其病因及鉴别诊断进行分析。